Consult the applicable network’s guidelines for examples of acceptable compelling evidence. Complicating things further, friendly fraud doesn’t provide you with any red flags. Free Download. For each reason code, a definition is provided along with the merchant’s actions—or failure to act—that may have caused the chargeback, and recommendations are given for resubmitting the transaction and preventing similar chargebacks in the future. Accessed October 31, 2022. There are five main categories of Visa chargeback reason codes: Fraudulent Transactions, Authorization Issues, Processing Errors, Consumer Disputes, and Other Chargeback Categories. The issuer will also claw back the disputed amount from the acquirer. Chapter 5: Mastercard Chargeback. The sales receipt and/or date and amount of the authorization if other than the transaction date. People request chargebacks for all kinds of reasons—some sinister (like friendly fraud), some because the item they bought never arrived. Chargebacks. 76 (1) 12. The most common Visa Reason codes include 10. Visa chargeback reason codes, for example, are numerals with decimals. Prior to to, Mastercard’s list of reason colored was long, convoluted, and confusing; currently there been fewer than ten different reason codes relevancy to majority merchants. 1 falls under the “Authorization” category. So the company has more incentive to side with customer during cardholder. Merchant processed transaction below floor limit without authorization. A truly effective chargeback management strategy must encompass prevention as well as disputing cases of friendly fraud. Merchants who previously applied legacy codes to chargebacks for the purposes of reporting and rule-writing can continue to refer to the legacy codes. 5 Visa Fraud Monitoring Program Mastercard Reason Code 4807 – Warning Bulletin File chargebacks should be filed under code 4808. Only an issuer can initiate the chargeback process. Either the dispute must be processed within 120 calendar days of: the transaction processing date, or. Message. Company. United States; 18167 US Highway 19 N; Clearwater, FL 33764; 877. Reason codes are alphanumeric strings of text provided in a chargeback notification as a means of explaining the cause for the dispute. 2: Cancelled recurring transaction: VCR Dispute Reason Code 13. Visa, MasterCard, and American Express all list compelling evidence by reason code. Regardless, merchants must respond to the given reason code. Step 04 | Chargeback Transmitted to Acquirer. This chargeback<br />. • Section 4: Chargeback Reason Codes— Contains detailed information on the reason codes for the most common types of chargebacks that merchants receive. Specifically, these updates only pertain to transactions that are charged back after Oct. 0 represents the first rules change of its kind that specifically provides merchants with the opportunity to reverse the fraud status applied to a transaction associated by reason code 10. However, they must generally wait 15 days after the processing date before they can file a dispute on behalf of the customer. 4: . Reason Code 53 re-presentments must be. As we mentioned, Visa dispute time limits for merchants are straightforward. As you can see above, VISA breaks things down in a manner that helps banks and merchants alike know exactly why a chargeback was initiated. The first two digits indicate which category the reason code falls under:. Reason code 4863 (Cardholder Does Not Recognize) can no longer be used. Code Reason Description #4: Excessive Chargebacks: With respect to a Merchant reported by a Mastercard Acquirer, the number of Mastercard chargebacks in any single month exceeded 1% of the number of Mastercard sales Transactions in that month, and those chargebacks totaled USD 5,000 or more. Fortunately, all major credit card networks provide clear information regarding chargeback reason codes. 1. • Chargeback Reason Code – Each chargeback contains a reason code that signifies the reason for the dispute and the rules that must be followed by the issuer and the merchant in order to resolve the dispute. Use pre-sale fraud detection service providers that can help verify the cardholder’s identity, detect potential criminal activity, and reduce the risk of accepting unauthorized transaction. Others can be levied by banks or processors. The most common Visa Reason codes include 10. 2022 Visa Chargeback. If the merchant attempts to force a transaction through after the presentment window, the bank may respond with a “late presentment” chargeback. Visa chargeback reason codes . The shorthand description is “Counterfeit Transaction. Every of the major card brands, the inclusion of Visa, MasterCard, and others, has its acknowledged system of reason codes. The sales receipt and/or date and amount of the authorization if other than the transaction date. 2. domestic transactions, the dispute timeline can be based on one of two start dates. 1. It was originally just one facet of legacy reason code 81. Exceptions to Visa Chargeback Time Limits. At Visa they used to receive reason code 98. As a rule, “Fraud” and “Authorization” disputes enter straight into the “Pre-Arbitration” stage. 3 is part of an updated and expanded revision of the legacy codes that indicated fraud, codes which were phased out under the Visa Claims Resolution initiative. Depending on the specific situation, Mastercard will match authorization response to one of the following merchant advice codes: Mastercard Response Code. 2, and 13. 4: Fraud—Card-Absent Environment. 3. 5 Visa Fraud Monitoring Program Authorization Reason Codes The Complete Chargeback Reason Codes List. American Express has its own set of chargeback reason codes, and they refer to situations that correspond to Visa and Mastercard reason codes you may already be acquainted with. 4853 – Cardholder Dispute – Credit Not Processed. 2: EMV Liability Shift Non-Counterfeit Fraud: 10. If you prefer to view this in PDF format you can. This list was generated 5/4/2022. You can find the meaning of their response codes by looking them up directly on the Visa and Mastercard developer center pages. Chargeback Reason Codes. Visa Chargeback Reason Code 13. All but two fall under Mastercard chargeback. Reason Code 04: Excessive Chargebacks: The merchant breached predetermined chargeback. Chargebacks may otherwise be rejected for a variety of reasons. Despite all the rules and guidelines, the outcomes of the chargeback process can be, at times, subjective, and can vary based on the scenario, merchant payment. 1 to 10. Section 7: Chargeback Reason Codes: Detailed information on the reason codes for the most common types of chargebacks that merchants receive . 0, Visa’s goal was to create a set of requirements that, if met, would provide sufficient evidence to deny the customer’s. A chargeback reason code is a 2-to-4-digit alphanumeric code provided by the issuing bank involved in a chargeback, which is meant to identify the reason for the dispute. 0 program provide the same rules and policies for 3-D Secure 2. A risk department can accurately analyze what the issue is with their. If one member believed the other violated a Visa rule when handling a chargeback, they filed a pre-compliance chargeback for compensation. About Visa chargeback reason codes Reason codes are alphanumeric codes that provide the justification for granting a chargeback. Friendly fraud. The shorthand description is “Misrepresentation. This code was phased out under the Visa Claims Resolution initiative. Visa uses a numeric scheme for its chargeback reason codes. The shorthand description is “Card Recovery Bulletin. These chargebacks occur to resolve chargeback-related disputes between network members. . 2. If the dispute involves a non-Visa card, the dispute can be paused for up to 72 hours for the merchant to respond. Visa Compelling Evidence 3. Visa retired the “unrecognized”. RDR will send an alert to the merchant, who can either initiate a refund to end the dispute or accept the chargeback. 4 is part of an updated and expanded revision of the legacy codes that indicated fraud, codes which were phased out under the Visa Claims Resolution initiative. The specific decline code is meant to give a brief explanation as to why the issuer rejected the purchase. The life cycle of the Visa dispute underwent considerable changes with the adoption of Visa Claims Resolution back in 2018. The MyChargeBack Group has cooperated with over 800 banks internationally on behalf of its clients. 13. Mastercard issuers use merchant advice codes to respond to authorization requests, and as a communication tool with merchants regarding a cardholder's account. Transaction was approved by the Issuer knowing that the authentication data failed verification and was not reliable. About Visa chargeback reason codes. The chargeback filing period for cardholders is usually 120 days. Discover: Reason Code 4755 Non-receipts of goods or services. CHARGEBACK REASON CODESTo avoid redundancy and confusion, we’ll use Visa’s chargeback reason codes as an example. About Visa chargeback reason codes. Visa chargeback reason code 75 falls under the “Consumer Disputes” category. Search reason codes 2. 2, which specifically deals with transactions billed by other means. Get Reasoning Cipher Cheat Shelf. Reason code 83 represents a chargeback categorized as. 0 as it does for 3-D Secure 1. Should you find that you need to. To prevent and successfully fight chargebacks, online merchants need a solid understanding of Mastercard chargeback. the Airline cancelled the original ticket; That credit for duplicate charges was completed or multiple<br />. 2 Incorrect Transaction Code. As mentioned earlier, the given reason for a chargeback may be far different from the actual reason. Defense documents should only be supplied if all requirements have been met. 4: Other Fraud — Card Absent Environment: 10. Even learning all the terms and rules won’t keep you. Be sure you understand the cardholder’s claim. message. The shorthand description is “Warning Bulletin File. Discover: Reason Code 4755 Non-receipt of goods or services. If a merchant responds to a chargeback in full compliance with the initiative guidelines, Visa guarantees the chargeback will be overturned. ”. 4 – Incorrect Account Number 12 . In some cases it can be upwards of 540 days, though, depending on. For all other transactions, the maximum amount of. For digital goods, two or more of the IP address, device ID, or. eCommerce Travel Crypto Gaming SaaS Gambling Ticketing. 1? Visa chargeback reason code 13. In contrast, an AFT is basically the inverse of an original credit transaction, or OCT. message. 4846 — Incorrect Currency Code. Code 12. supporting documentation in first chargebacks for chargeback reason code 4863 (Cardholder Does Not Recognize). According to the customer, the product or service purchased was never received or used. Craft a clear and. An Visa chargeback purpose keys scheme underwent an major overhaul in April 2018 as parts away their new Visa Claims Resolution (VCR) take. Reason Code 04: Excessive Chargebacks: The merchant breached predetermined chargeback thresholds: Reason Code 05: Excessive Fraud: The merchant breached predetermined fraud-to-sales dollar volume thresholds: Reason Code 06: Currently unused--Reason Code 07: Fraud Conviction: One of the business's owners. 2: Canceled Recurring Transaction, is used when a cardholder claims a recurring transaction was processed illegitimately. 9 – Non-Receipt of Cash or Load Transaction Value. A new 4 byte reason code will be used moving forward. 3: Other Fraud — Card Present Environment: 10. A chargeback reason code is a 2-to-4-digit alphanumeric code given by the issuing bank tangled in a chargeback. As you dive into a reason. Explanation. ONE reason code is an alphanumeric code selected from a fixed list by the issuing bank to indicate the reason of cardholder gave for requesting a chargeback. What is Visa chargeback reason code 71? Visa chargeback reason code 71 falls under the “Authorization” category. Multiple fees can be attached to each claim, and they add up quickly. Type. S. Pursuant to the Fair Credit Billing Act of 1974 , cardholders have the right to dispute unauthorized or erroneous charges, and issuing banks must reverse a disputed transaction if the cardholder’s claim is valid. Visa’s Reason Codes follow a format of two digits, a period, and a third digit. Mastercard chargeback reason codes are four numerals without decimals. Visa’s fraud reason codes list dispute reasons from 10. 13. Issuers will not have the ability to submit lost/stolen fraud chargebacks for chip-on-chip (contact or contactless) AFD transactions. The most effective chargeback professionals can deliver customized solutions for chargeback management with every facet of your dispute process. Fortunately, all major credit card networks provide clear information regarding chargeback reason codes. Whether your chargeback is based on fraud or a consumer dispute, you need to file your claim under the appropriate reason code. Chargebacks filed using legacy reason code 4863 (“Cardholder Does Not Recognize — Potential Fraud”) were also subject, but this reason code has been retired and is no. . A card-not-present chargeback is a payment reversal conducted by a bank in response to a card-not-present (i. 6. Visa is introducing the Visa Compelling Evidence 3. 1. Visa doesn’t publish a fee schedule as comprehensive as other networks, but there is usually a $10-50 fee per each chargeback. 2, it’s simple and straight-forward: The merchant attempts in any way to force, circumvent, or override a declined authorization. One of these changes was an overhaul of Visa’s list of chargeback reason codes. In most scenarios, professional chargeback assistance can substantially raise your ROI. 2: EMV Liability Shift Non-Counterfeit Fraud. Category. 10. Batch chargeback process. 2 — EMV Liability Shift Non-Counterfeit Fraud; Mastercard Chargeback Reason Code 4870 — Chip Liability Shift; Mastercard Chargeback Reason Code 4871 - Chip Liability Shift – Stolen Card; Amex Reason Code F30 — EMV Counterfeit Issuers have been asking Visa to find a way to simplify and streamline the compelling evidence process. Pursuant to the Fair Credit Billing Act of 1974, cardholders have the right to dispute unauthorized or erroneous charges, and issuing banks must reverse a disputed transaction if the cardholder’s claim is valid. 9808; info@chargebacks911. Each bank card network has its owner list of reason codes banks must prefer from. Issuer Review; Allocation. 4, 13. Visa Chargeback Reason Codes;. For a full list of the new Visa chargeback reason codes and their corresponding dispute categories, please visit the Moneris chargebacks page. Suspected fraud is a common reason, as is insufficient funds in the cardholder’s account. What is Visa chargeback reason code 13. It could also mean restrictions are imposed on your activity; for instance, if you receive a dispute assigned Visa reason code 10. At times, you will see friendly fraud chargebacks with this reason code because the cardholder wasn’t paying close attention to taxes, fees. Pursuant to the Fair Credit Billing Act of 1974, cardholders have the right to dispute unauthorized or erroneous charges, and issuing banks must reverse a disputed transaction if the cardholder’s claim is valid. reason code information. ”. Get of Visa’s current reason codes were condensed into four key groupings: fraud, authorization errors, processing fault, and my disputes. Always ask for authorization regardless of the transaction amount. The shorthand description is “Declined Authorization. For example, a debit may have been processed instead of a credit, or a credit processed instead. Other Programs to Know About. So, at this juncture, we join our clients on conference calls with the banks to explain the reasons why the chargeback should be approved, citing chapter and verse to justify our position. Fraud Reason Codes Current Reason Code New VCR Reason Code 62(2) 10. 1 is an updated version of legacy reason code 70, which was phased out under the Visa Claims Resolution initiative. Section 7: Chargeback Reason Codes: Detailed information on the rea-son codes for the most common types of chargebacks that merchants receive . compliance process depending on whether a chargeback right exists. Notification of Fraud. Search reason codes 2. Resources. 5, and you're entered into the Visa Fraud Monitoring Program,. Reduced Chargebacks: Having the option to present evidence prior to a dispute has been shown to significantly reduce the number of friendly fraud disputes and false fraud claims. ACH disputes pertain to various parties involved in an ACH transaction, which is an electronic funds transfer facilitated. Every of the major card brands, the inclusion of Visa, MasterCard, and others, has its acknowledged system of reason codes. This code applies when a transaction was authorized, but contained incorrect or invalid data. 8 — Original Credit Transaction Not Accepted. Non-Receipt of Information Chargeback Reasons. This chargeback occurs when merchants do not adequately provide currency information. The fact that this reason code lumps together three different possible causes can make it extremely confusing. Of course, these codes can still change at any time. Chargeback reason codes (MasterCard only): 4870 Counterfeit. Either the acquiring or issuing bank could initiate the. The transaction was recurring and the cardholder failed to meet the cancellation terms of the. 195 Acquirer Use of Message Reason Code 7627-No MAC Provided. All other reason codes are up to 120 days from the transaction date. Retrieve thine complete guide to the new Visa reason codes, including all the elaborate information, chargeback time limitation, and other important information to need. Customer Dispute. Learn more about chargeback reason codes here: Chargeback Reason Codes: List & Tips for Merchants Acquirer Use of Message Reason Code 7623. The newer system is designed to. But if RDR receives a dispute about a Visa card transaction, it will instead consult the ruleset provided by the. In both instances if the Merchant wishes to withdraw from an arbitration case, Visa will charge the amount of 500. Either the acquiring or issuing bank could initiate the chargeback. Contact Crescent Payments to help manage your chargebacks. What Are Chargeback Reason Codes? Chargeback reason codes are a set of numbers and letters indicating why a. So, as we outlined above, both Visa and Mastercard have dedicated. Reason Card Type Reason Code Description Merchant Action Code This chargeback occurs because of a dispute on an Airline sale involving allegedly fraudulent card transactions. 4 | Mastercard Reason Code 4837. Fortunately, all major credit card networks provide clear information regarding chargeback reason codes. The main chargeback reasons look like this: Malicious fraud. Mastercard Chargeback Guide is a comprehensive document that explains the rules and procedures for resolving disputes between cardholders, merchants and issuers. Cardholder can dispute transaction up until Day 90 for reason code 4808 on MasterCard (see Appendix for details), Day 60 for reason codes 4801 and 4802 (see Appendix for details). Merchant processed transaction below floor limit without authorization. Non-Receipt of Goods or Services Chargeback Reasons. Codes—Contains detailed information on the reason codes for the most common types of chargebacks that merchants receive . 3: No. Please see the below “cheat sheet” for the new 4 byte reason codes. . 2 Declined Authorization; 11. Code Reason (for Visa) 10. 10/21/14 Updated Chargeback Time Frames: Added Reason Code 05; Addendum Reason Code PM; Changed TF time frame from 120 days to 540 days. 2: Canceled Recurring Transaction, and those disputes would still go through the normal chargeback process. This could happen as a result of fraud or merchant abuse. Visa uses the four main categories to organize its reason codes: Authorization, Card Member Disputes (which Visa refers to as Consumer Disputes), Fraud, and Processing Errors. 4849 – Questionable Merchant Activity – Mastercard Rule 3. 2 falls under the “Consumer Disputes” category. PDF 296K September 16, 2013. Here the payment service provider is pulling funds from the cardholder. Merchants should review these codes, track which ones they receive, and respond to inquiries and chargebacks with the appropriate supporting evidence. Code 12 . This type of chargeback reason could be named differently across the different card schemes (some examples: Visa 10. 00 Approved and completed successfully; 01 Refer to. 4 — other fraud – card-absent environment — asserts the merchant processed a card-absent, card-not-present, or digital payment for a customer who used the. Before VCR, Visa reason codes were two-digit numbers that often seemed like they were assigned completely at random. ” This code indicates the cardholder is claiming that the descriptions of the products or services they purchased were vague, inaccurate, or insufficient, and they feel. A blacklist is much like blocking a number on your phone. Learn more today about how much you could. As part of its move to support card-not-present merchants and airlines, Visa made changes to the compelling evidence requirements for four key reason codes: Reason Code 30: Services Not Provided or Merchandise Not Received. 0 Could Impact Your Business: Pros & Cons. Our all-in-one e-commerce fraud prevention solution helps e-commerce companies reduce chargeback overheads while streamlining transactions for legitimate users. ©Full List of response codes for Visa and Mastercard. MasterCard Chargeback Reason Codes. Chargeback reason encrypted were created to standardize the list of acceptable reasons why a bank may file a credit card chargeback or debit chargeback on their customer’s behalf. 1 falls under the “Consumer Disputes” category. Reason Code. Visa reason code 53 is used for Chargeback for Defective/Not as Described, and reason code 85 is used for Credit Not Processed. Visa, Mastercard and Maestro each have their own set of reason codes for chargeback cases. 5: The chargeback under normal situations should be executed in under 120 days in all religions other than US Domestic. Again, banks should not really be using 4807. Transaction is not eligible for Reason Code 75 (cardholder does not recognize transaction) or 83 (fraud transaction - card absent environment) 2. It covers topics such as chargeback rights, time frames, reason codes, arbitration and compliance. Each chart network—Visa, Mastercard, American Express, and Discover—defines and maintains their own extraordinary set of reason codes, which are applied toward disputes by the banks that issue credit and liability charts under their brands. Visa requires processors and banks use to this system for multiple tasks, including challenging initial chargeback results. © Visa chargeback reason codes, for example, are numerals with decimals. 1 to RC 13. This alphanumeric code corresponds with the specific reason behind the chargeback, such as card-not-present fraud, incorrect currency, misrepresentation, or any other chargeback-eligible issue. This process occurs strictly between the two banks. 4860 Credit Not Processed. Retrieval Request/ Copy request Reason Codes. ” This reason code indicates the cardholder had reason to believe they were going to receive a refund, but no credit to their account has been processed. From mid April 2023, Visa will enforce the Visa Compelling Evidence 3. The following Visa chargeback code maps are organized by category, as defined by Visa. Use this guide as a quick resource for Visa chargeback reasons at a glance. The reason code used to describe the dispute will determine the chargeback time limit. This service is usually provided in exchange for a percentage of the merchant’s sales. 4871 – Chip Liability Shift – Lost / Stolen / Never Received Issue. 4 Other Fraud – Card Absent Environment 93(1) 10. So don’t spend another second worrying about chargebacks. TC40 is the name of the report that issuing banks send to Visa to report fraudulent transactions as part of its Risk Identification Service, and SAFE ( System to Avoid Fraud Effectively) is Mastercard’s analogous fraud monitoring program. Credit not processed. Pursuant to the Fair Credit Billing Act of 1974, cardholders have the right to dispute unauthorized or erroneous charges, and issuing banks must reverse a disputed transaction if the cardholder’s claim is valid. You block specific users associated with fraudulent activity. Also, remember that the time frame for your response includes any processing required by the acquirer. Now, 10. 13. As part of its move to support card-not-present merchants and airlines, Visa made changes to the compelling evidence requirements for four key reason codes: Reason Code 30: Services Not Provided or Merchandise Not Received. • Section 2: Copy Requests – Includes requirements and best practices for responding to a request for a. In order to identify the reason a customer disputed a charge, it can be helpful to examine the reason code on the chargeback. 7 falls under the “Processing Errors” category. Get your complete guide to Discover reason codes, including all the detailed information, chargeback time limits, and other important information you need. An ISO allows retailers to process credit cards without having a. It’s typical to see fraud chargebacks roll in 2-3 months after the initial charges took place. Fraud Reason Codes Current Reason Code New VCR Reason Code 62(2) 10. 5, and all aspects of chargeback reason codes, with proprietary technologies and. 1. Learn about the different chargeback reason codes and what they mean. Tollbooths and hotels, to use one. #5: Excessive FraudChargeback Reason Codes Fraud – Card-Not-Present (CNP) Network Reason Code Bank Initiation Timeframe Accel 81 120 calendar days from transaction processing date American Express FR2, F14, F24, F29 120 calendar days from transaction processing date Discover 4752 AA, 7030 UA02 Within 30 calendar days from the close date of the TRRFriendly fraud. Credit Posted as a Purchase chargebacks, for example, at. Learn about chargeback reason codes. reason code information. 1 for Visa transactions, or reason code 4834 for Mastercard. Reason Code 53 chargeback can be re-presented in one of the following circumstances: chargeback is invalid or a credit was processed. The current list of 22 Visa chargeback reason codes will be replaced with new values and grouped into four new categories of disputes: Authorization, Fraud, Processing Errors and Consumer Disputes. With VCR regulations, the risk of breaching fraud-to-sales thresholds increases. If you want a more thorough explanation of a given reason code, you can find it in our reason code lookup tool. Transaction was approved by the Issuer knowing that the authentication data failed verification and was not reliable. Here’s a look at the reason codes for the same scenario from the major credit card companies: Visa: Reason Code 30 Services not provided or merchandise not received. 13. Reason Code 03: Laundering: The merchant processed transactions that did not involve a bona fide cardholder. ” This reason code indicates that the merchant processed a transaction using the wrong transaction code. When a customer who's enrolled with 3-D Secure from their bank initiates a purchase, the tool will deploy during the checkout. The software can accept transactions made by customers all over the world. A chargeback reason code is a 2-to-4-digit alphanumeric code provided by the issuing bank involved in a chargeback, which is meant to identify the reason for the dispute. 0 standard that has specific defense requirements for chargebacks with this reason code. There are some exceptions on the cardholder’s side, though. Reason codes are very crucial to assist. Even learning all the terms and rules won’t keep you. Under Visa’s previous chargeback rules, merchants could contest a reason code 10. 2? Visa chargeback reason code 13. 1: EMV Liability Shift Counterfeit Fraud: 10. Documentation must be a direct result of cardholder communication. Only an issuer can initiate the chargeback process. Merchant must provide proof of authorization. Visa Fraud Chargeback Reason Codes 10. Net (from Visa) supports all major credit cards, including Visa, Mastercard, American Express, Discover, Diner’s Club, and JCB. The client can define the chargeback reason code. 1 – Other Fraud – Card Recovery Bulletin 11. 3. Discover. Chapter 4: American Express Chargeback Reason Codes. Visa Reason Codes Quick Reference Guide Author: TD Canada TrustCorresponding Retrieval Reference Numbers mapped for the same Card Number and ARN in Chargeback application. Condition 13. Duplicate Processing - 81What is Visa chargeback reason code 12. The implication is that the merchant failed to deliver the goods or services, but this reason. Eliminate false positives. This chargeback occurs when merchants do not adequately provide currency information. The network. What is Visa chargeback reason code 13. 4846. Reason Code 53: Not as Described or Defective Merchandise. [noun]/* fren • dlē • frôd • /. 1: EMV Liability Shift Counterfeit Fraud: 10. Visa chargeback reason code 12. The Complete Chargeback Reason Codes List. 2 Cancelled Recurring Transaction. 6. Prior to this, Mastercard’s list of reason codes was long, convoluted, and confusing; now there are fewer than ten different reason codes relevant to most merchants. 4,. 0 rule changes take effect. With the overhaul of their reason code system, Visa divided reason.